Tax Filing Extension Deadline 2024 Extension. You can pay online or by phone. Instead of filing form 4868, you can apply for an automatic extension by making an electronic payment by the due date of your return.

October 15, 2024 is the extended filing deadline for individual tax returns, sole proprietorships, and c corporations. Most taxpayers who requested an extension of time to file their 2023 tax return must file by tuesday, oct.